Several security themed posts this week, from OpenID Connect enabled CD pipelines to security architecture and vulnerability disclosure to WAF. Plus good systems admin posts on networking and incidents.

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News

A walkthrough of a Terraform pipeline setup. Most interesting for the use of OpenID Connect to remove the need for persistent credentials for AWS.
https://blog.symops.com/2022/04/14/terraform-pipeline-with-github-actions-and-github-oidc-for-aws/

Well written incident reports are always interesting. This one wanders through Kubernetes, gRPC, AWS networking and (of course) DNS.
https://www.datadoghq.com/blog/engineering/grpc-dns-and-load-balancing-incident/

A look at scaling interconnectivity between a cloud environment and a local data centre. Lots of good diagrams.
https://postmarkapp.com/blog/increasing-postmarks-capacity-a-parable-of-pipes

Proactively maintaining Prometheus, especially the underlying time series database, is critical to performance at scale. This post covers how to drop and delete unneeded metrics.
https://tanmay-bhat.medium.com/how-to-drop-and-delete-metrics-in-prometheus-7f5e6911fb33

A detailed walkthrough of a recently disclosed (and fixed) vulnerability in AWS RDS. The general point here, about extensions and the trade off between surface area and security is interesting more generally too.
https://blog.lightspin.io/aws-rds-critical-security-vulnerability

A post on scaling test infrastructure for a growing end-to-end test suite.
https://lumigo.io/blog/build-cypress-tests-infrastructure-serverless-applications/

Tools

Organization Formation is an infrastructure as code tool for AWS Organizations, providing an abstraction and easier starting point than the low level AWS APIs.
https://bahr.dev/2022/02/07/org-formation/
https://github.com/org-formation/org-formation-cli

Curiefense is a web traffic security tool for Kubernetes. Providing a web application security layer, integrated with Envoy and Nginx.
https://www.curiefense.io/
https://github.com/curiefense/curiefense